Year Persons 1998-01-01 11950 1999-01-01 12850 2000-01-01 12050 2001-01-01 10575 2002-01-01 12375 2003-01-01 16500 2004-01-01 19975 2005-01-01 23600 2006-01-01 25650 2007-01-01 25975 2008-01-01 26975 2009-01-01 30775 2010-01-01 37375 2011-01-01 45175 2012-01-01 54650 2013-01-01 57875 2014-01-01 61350 2015-01-01 57550 2016-01-01 54000 2017-01-01 40075